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A density gradient apparatus was used to examine the separation of different physical forms and sizes of DNA. A gradient of sucrose was used to stabilize
The ease of placement of concrete depends upon at least two physical properties, the yield stress and plastic viscosity. Currently the most common field test is
Although the need to transition new technology to improve the process of developing quality software products is well understood, the computer software industry
We present an evaluation of the consistency of calculated and measured electron inelastic mean free paths (IMFPs) for seven elemental solids (Al, Si, Ni, Cu, Ge
An overview is given of the development of reference standards by the Surface Chemical Analysis group of the Versailles Project on Advanced Materials and
Lawrence P. Dunleavy, James P. Randa, Dave K. Walker, Robert L. Billinger, John Rice
A set of wafer-probeable diode noise source transfer standards are characterized using on-wafer noise-temperature methods developed at the National Institute of
Specifications of electronic projection displays, such as contrast ratio, are often based on measurements made in ideal darkroom conditions. However, not
B F. Graham, A F. Lagalante, Thomas J. Bruno, J M. Harrowfield, R D. Trengove
The solubilities of p-t butylcalix[n]arenes (n = 4,6, 8) and calix[4]arene have been measured in supercritical carbon dioxide. Solubility measurements were
J P. Schwarz, D S. Robertson, T M. Niebauer, J E. Faller
We report on a recent determination of the Newtonian constant of gravity, G, using a new free fall method. This method uses a freely falling test object to